Home / 19,110.86-28,665.27-5,961.72

Finding the Fourth Proportional to 19,110.86, 28,665.27 and 5,961.72

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Solution

The fourth proportional to 19,110.86, 28,665.27 and 5,961.72 is: 8,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.86 : 28,665.27 = 5,961.72 : x
  2. Step 2: Convert to fraction form
    19,110.86/28,665.27 = 5,961.72/x
  3. Step 3: Cross multiply
    19,110.86x = 28,665.27 × 5,961.72
  4. Step 4: Simplify right side
    19,110.86x = 170,894,443.32
  5. Step 5: Solve for x
    x = 170,894,443.32/19,110.86
  6. Step 6: Final answer
    x = 8,942.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.